Sign-up

ID

VAR-202508-0724


CVE

CVE-2025-9046


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC20  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-012196

DESCRIPTION

A vulnerability was identified in Tenda AC20 16.03.08.12. This issue affects the function sub_46A2AC of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC20 The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. This vulnerability stems from the failure of the deviceList parameter in the sub_46A2AC function in the /goform/setMacFilterCfg file to properly validate the length of input data. An attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-9046 // JVNDB: JVNDB-2025-012196 // CNVD: CNVD-2025-19582

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-19582

AFFECTED PRODUCTS

vendor:tendamodel:ac20scope:eqversion:16.03.08.12

Trust: 1.6

vendor:tendamodel:ac20scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ac20scope: - version: -

Trust: 0.8

vendor:tendamodel:ac20scope:eqversion:ac20 firmware 16.03.08.12

Trust: 0.8

sources: CNVD: CNVD-2025-19582 // JVNDB: JVNDB-2025-012196 // NVD: CVE-2025-9046

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-9046
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-012196
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-19582
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-9046
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-012196
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2025-19582
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-9046
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-012196
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-19582 // JVNDB: JVNDB-2025-012196 // NVD: CVE-2025-9046

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

problemtype: Stack-based buffer overflow (CWE-121) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-012196 // NVD: CVE-2025-9046

EXTERNAL IDS

db:NVDid:CVE-2025-9046

Trust: 3.2

db:VULDBid:320267

Trust: 1.8

db:JVNDBid:JVNDB-2025-012196

Trust: 0.8

db:CNVDid:CNVD-2025-19582

Trust: 0.6

sources: CNVD: CNVD-2025-19582 // JVNDB: JVNDB-2025-012196 // NVD: CVE-2025-9046

REFERENCES

url:https://github.com/zz2266/.github.io/blob/main/ac20/formsetmacfiltercfg/readme.md

Trust: 1.8

url:https://github.com/zz2266/.github.io/blob/main/ac20/formsetmacfiltercfg/readme.md#poc-python-exploit-script

Trust: 1.8

url:https://vuldb.com/?id.320267

Trust: 1.8

url:https://vuldb.com/?submit.631932

Trust: 1.8

url:https://www.tenda.com.cn/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-9046

Trust: 1.4

url:https://vuldb.com/?ctiid.320267

Trust: 1.0

sources: CNVD: CNVD-2025-19582 // JVNDB: JVNDB-2025-012196 // NVD: CVE-2025-9046

SOURCES

db:CNVDid:CNVD-2025-19582
db:JVNDBid:JVNDB-2025-012196
db:NVDid:CVE-2025-9046

LAST UPDATE DATE

2025-08-29T23:16:22.779000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-19582date:2025-08-28T00:00:00
db:JVNDBid:JVNDB-2025-012196date:2025-08-25T01:23:00
db:NVDid:CVE-2025-9046date:2025-08-18T15:10:16.310

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-19582date:2025-08-28T00:00:00
db:JVNDBid:JVNDB-2025-012196date:2025-08-25T00:00:00
db:NVDid:CVE-2025-9046date:2025-08-15T11:15:29.993